Trail Running calendar near Builth Wells 2026-2027

A four-day, 184-mile Thames Path ultra from the river source to the Thames Barrier with daily stages, included accommodation for days one to three, bespoke finisher medals and compulsory mandatory kit and minimum pace requirements.

A 57 mile point to point ultramarathon along the Thames Path from Kemble to Oxford with four checkpoints, mandatory kit requirements and a minimum average pace of 4.0 miles per hour. All finishers receive a bespoke medal and an MTC head vis..

A multi-terrain club race on Thursday 6 August 2026 around Care & Repair, Rowley’s Drive, Shotton, covering approximately 4 miles. Pre-entry fees apply; entrants must be 17 or older and entries are limited.

Two trail ultras on the Mendip Way on 8 August 2026 finishing at Uphill Sands Beach, featuring wooded sections, hilltop views, multiple aid stations and a cupless format with professional medical cover.

Trail races of 24K and 51K start from Talybont-on-Usk on 8 August 2026, with marked routes, marshals and stocked aid stations. Entries include a themed medal, chip timing and free race photos.

A long distance run and walk in northeast Wales along the Offa's Dyke Path with route options of 32, 24 and 16 miles, checkpoint refreshment and a finish certificate.

A pancake-flat *10 km* out and back along the Brecon and Monmouthshire canal between Gilwern and Llangattock, set in the Brecon Beacons National Park. Finishers receive a medal, there is a drink station at 5 km, and entries are online only.

Multi distance races around Bath that pass through two disused railway tunnels and follow canal and city sections. Organised by Relish Running Races with medals, timed results, aid stations and on site facilities.

A 6 mile informal group run at Croome Park on 10 August 2026 organised by Black Pear Joggers. The one lap off road route includes a lakeside section and finishes with cake and tea or coffee, with profits to the National Trust.

A 4.4 km fell race from the Ragleth Inn in Little Stretton with 390 m of ascent, a clockwise course with three control points, on-the-day or pre-entry and junior up and down Callow Hill races; some proceeds go to charity.

A hill and trail endurance event on Moel Famau with 12 and 24 hour options, run on a 5.8 km loop with about 400 m ascent per lap. Camping, feed stations, electronic timing and GPS tracking support solo runners, walkers and teams.

SkyRun Eryri in Rhyd-Ddu, Eryri/Snowdonia stages four mountain races from 16 km to 55 km on 15 August 2026, with large elevation gains, aid stations and a mix of ridgelines, scrambling and technical trails.

Trail running at Fyne Court Estate in the Quantock Hills AONB with 5 km and 10 km options, using parkland and woodland trails. The 10 km is two laps of the 5 km circuit and medals are optional to reduce waste.

A multi-distance community running event in Tywyn on 15 August 2026, organised by the Rotary Club of Tywyn. Distances range from a toddlers run to a 14 mile challenge and entries close 10 August 2026.

Mynydd Maen Traverse is a running event near Pontypool featuring a 9.8 km route with 291 m of climb. It includes separate junior races and accepts team entries of three.

A 7.5 km fell race at Cwrt-y-Cadno Show fields with 264 m of climb. Entry to the show covers the £5 fee; the course is partially marked and open to those over 16.

A Bath running event on 16 August 2026 featuring two long, lit railway tunnels and a programme from 500 m colourburst to ultramarathon and relays; proceeds support Sustrans.

Spartan South West is at Badminton Park on August 16 2026, featuring Sprint 5 km, Super 10 km and Beast 21 km obstacle courses plus a kids race and spectator access. Team entries and volunteer options are available.

A timed, flexible run along a 3.28 mile out and back route beside the Stroud Waterways canal. Runners choose distances from 5 km up to ultra and may complete as many laps as they wish within a seven hour limit.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.